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cupoosta [38]
3 years ago
8

Rewrite the following in the form log(c) log(20) – log(4)

Mathematics
1 answer:
Natalka [10]3 years ago
5 0

Answer:

log(5)

Step-by-step explanation:

log(x) - log(y) = log\frac{x}{y} \\\\log(20) - log(4) = log(\frac{20}{4})\\\\log(\frac{20}{4}) = log(5)

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The diameter of Mercury is approximately 4.9×103 kilometers. The diameter of Earth is approximately 1.3×104 kilometers. About ho
-Dominant- [34]
Hi there!

To get the answer to this question, let's divide the diameter of the Earth by the diameter of Mercury.

\frac{1.3*10^4}{4.9*10^3}

We can change this to

\frac{1.3}{4.9}*\frac{10^4}{10^3}

Let's solve for each individual fraction

\frac{1.3}{4.9} ≈ 0.27

\frac{10^4}{10^3} = 10

Now, multiply.

0.27 * 10 = 2.7

That's your answer.

Have an awesome day/night! :)

~collinjun0827, Junior Moderator
5 0
2 years ago
Describe and correct the error in finding the solution.​
yaroslaw [1]
The error is in step 2. if you are performing an operation on one side of the equation, it must be performed on the entire expression. you can’t only divide by 2 on one term, you must do it to everything in the equation. instead, you could add 6 to both sides first, giving you 2x = -4. Then you can divide by 2 on both sides. the answer is -2.
6 0
3 years ago
Tell whether the angles are adjacent or vertical. Then find the value of x.
lozanna [386]

Answer:

x = 25

Step-by-step explanation:

The angles are vertical since they form from two lines crossing at a point and they share a same vertex.

Vertical angles are equal so

4x - 25 = 75

4x = 100

x = 25

8 0
3 years ago
What is the easiest way to add negative fractions?
otez555 [7]

Ayou do it the exact same as whole number fractions but you might have to be more mindfull of the decimals

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
How to solve this kind of question?
S_A_V [24]
<span>96 degrees Looking at the diagram, you have a regular pentagon on top and a regular hexagon on the bottom. Towards the right of those figures, a side is extended to create an irregularly shaped quadrilateral. And you want to fine the value of the congruent angle to the furthermost interior angle. So let's start. Each interior angle of the pentagon has a value of 108. The supplementary angle will be 180 - 108 = 72. So one of the interior angles of the quadrilateral will be 72. From the hexagon, each interior angle is 120 degrees. So the supplementary angle will be 180-120 = 60 degrees. That's another interior angle of the quadrilateral. The 3rd interior angle of the quadrilateral will be 360-108-120 = 132 degrees. So we now have 3 of the interior angles which are 72, 60, and 132. Since all the interior angles will add up to 360, the 4th angle will be 360 - 72 - 60 - 132 = 96 degrees. And since x is the opposite (or congruent) angle to this 4th interior angle, it too has the value of 96 degrees.</span>
5 0
3 years ago
Read 2 more answers
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